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More constant bitrate

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dec05eba
2024-10-07 18:19:53 +02:00
parent ef6d265c85
commit 67bb47a355
1 changed files with 7 additions and 7 deletions
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14
src/main.cpp
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@@ -536,9 +536,9 @@ static AVCodecContext *create_video_codec_context(AVPixelFormat pix_fmt,
if(bitrate_mode == BitrateMode::CBR) {
codec_context->bit_rate = bitrate;
codec_context->rc_max_rate = codec_context->bit_rate;
codec_context->rc_min_rate = codec_context->bit_rate;
codec_context->rc_buffer_size = codec_context->bit_rate;//codec_context->bit_rate / 10;
codec_context->rc_initial_buffer_occupancy = codec_context->bit_rate;//codec_context->bit_rate * 1000;
//codec_context->rc_min_rate = codec_context->bit_rate;
//codec_context->rc_buffer_size = codec_context->bit_rate;//codec_context->bit_rate / 10;
codec_context->rc_initial_buffer_occupancy = 0;//codec_context->bit_rate;//codec_context->bit_rate * 1000;
} else if(bitrate_mode == BitrateMode::VBR) {
const int quality = vbr_get_quality_parameter(codec_context, video_quality, hdr);
switch(video_quality) {
@@ -565,15 +565,15 @@ static AVCodecContext *create_video_codec_context(AVPixelFormat pix_fmt,
}
codec_context->rc_max_rate = codec_context->bit_rate;
codec_context->rc_min_rate = codec_context->bit_rate;
codec_context->rc_buffer_size = codec_context->bit_rate;//codec_context->bit_rate / 10;
codec_context->rc_initial_buffer_occupancy = 100000;//codec_context->bit_rate * 1000;
//codec_context->rc_min_rate = codec_context->bit_rate;
//codec_context->rc_buffer_size = codec_context->bit_rate;//codec_context->bit_rate / 10;
codec_context->rc_initial_buffer_occupancy = codec_context->bit_rate;//codec_context->bit_rate * 1000;
}
//codec_context->profile = FF_PROFILE_H264_MAIN;
if (codec_context->codec_id == AV_CODEC_ID_MPEG1VIDEO)
codec_context->mb_decision = 2;
if(!use_software_video_encoder && vendor != GSR_GPU_VENDOR_NVIDIA) {
if(!use_software_video_encoder && vendor != GSR_GPU_VENDOR_NVIDIA && bitrate_mode != BitrateMode::CBR) {
// 8 bit / 10 bit = 80%, and increase it even more
const float quality_multiply = hdr ? (8.0f/10.0f * 0.7f) : 1.0f;
if(codec_context->codec_id == AV_CODEC_ID_AV1 || codec_context->codec_id == AV_CODEC_ID_H264 || codec_context->codec_id == AV_CODEC_ID_HEVC) {